//
//  RefreshTableViewRootViewController.m
//  MokoAPP
//
//  Created by 현식 강 on 11. 8. 1..
//  Copyright 2011 아이온. All rights reserved.
//

#import "RefreshTableViewRootViewController.h"


@implementation RefreshTableViewRootViewController
@synthesize reloading=_reloading;
@synthesize rHeaderView = refreshHeaderView, rFooterView = refreshFooterView;

- (void)scrollViewDidScroll:(UIScrollView *)scrollView{	
	
	if (scrollView.isDragging) {
		if (refreshHeaderView != nil && refreshHeaderView.state == EGOOPullRefreshPulling && scrollView.contentOffset.y > -65.0f && scrollView.contentOffset.y < 0.0f && !_reloading) {
			[refreshHeaderView setState:EGOOPullRefreshNormal];
		} else if (refreshHeaderView.state == EGOOPullRefreshNormal && scrollView.contentOffset.y < -65.0f && !_reloading) {
			[refreshHeaderView setState:EGOOPullRefreshPulling];
		}
        
        float endOfTable = [self endOfTableView:scrollView];
        if (refreshFooterView != nil && refreshFooterView.state == EGOOPullRefreshPulling && endOfTable < 0.0f && endOfTable > -65.0f && !_reloading) {
			[refreshFooterView setState:EGOOPullRefreshNormal];
		} else if (refreshFooterView.state == EGOOPullRefreshNormal && endOfTable < -65.0f && !_reloading) {
			[refreshFooterView setState:EGOOPullRefreshPulling];
		}
	}
}

- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate{
	
	if (refreshHeaderView != nil && scrollView.contentOffset.y <= - 65.0f && !_reloading) {
        _reloading = YES;
        [self reloadHeader];
        [refreshHeaderView setState:EGOOPullRefreshLoading];
        [UIView beginAnimations:nil context:NULL];
        [UIView setAnimationDuration:0.2];
        self.tableView.contentInset = UIEdgeInsetsMake(60.0f, 0.0f, 0.0f, 0.0f);
        [UIView commitAnimations];
	}
    
    if (refreshFooterView != nil && [self endOfTableView:scrollView] <= -65.0f && !_reloading) {
        _reloading = YES;
        [self reloadFooter];
        [refreshFooterView setState:EGOOPullRefreshLoading];
        [UIView beginAnimations:nil context:NULL];
        [UIView setAnimationDuration:0.2];
        self.tableView.contentInset = UIEdgeInsetsMake(0.0f, 0.0f, 60.0f, 0.0f);
        [UIView commitAnimations];
	}
}

- (void)dataSourceDidFinishLoadingNewData{
	
	_reloading = NO;
	
	[UIView beginAnimations:nil context:NULL];
	[UIView setAnimationDuration:.3];
	[self.tableView setContentInset:UIEdgeInsetsMake(0.0f, 0.0f, 0.0f, 0.0f)];
	[UIView commitAnimations];
	
    if (refreshHeaderView != nil && [refreshHeaderView state] != EGOOPullRefreshNormal) {
        [refreshHeaderView setState:EGOOPullRefreshNormal];
        [refreshHeaderView setCurrentDate];  //  should check if data reload was successful 
    }
    
    if (refreshFooterView != nil && [refreshFooterView state] != EGOOPullRefreshNormal) {
        [refreshFooterView setState:EGOOPullRefreshNormal];
        [refreshFooterView setCurrentDate];  //  should check if data reload was successful 
    }
}

- (float)tableViewHeight {
    // calculate height of table view (modify for multiple sections)
    return self.tableView.rowHeight * [self tableView:self.tableView numberOfRowsInSection:0];
}

- (void)repositionRefreshFooterView {
    float y = [self.tableView frame].size.height;
    if( y < [self tableViewHeight] )
        y = [self tableViewHeight];
    CGRect frame = CGRectMake(0.0f, y, [self.tableView bounds].size.width, [self.tableView bounds].size.height + 120.0f);
    refreshFooterView.frame = frame;
}

- (float)endOfTableView:(UIScrollView *)scrollView {
    return [self tableViewHeight] - scrollView.bounds.size.height - scrollView.bounds.origin.y;
}
-(void)reloadHeader {
}
-(void)reloadFooter {
}

- (id)initWithStyle:(UITableViewStyle)style
{
    self = [super initWithStyle:style];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)dealloc
{
    [refreshFooterView release];
    refreshFooterView = nil;
    [refreshHeaderView release];
    refreshHeaderView = nil;
    [super dealloc];
}

- (void)didReceiveMemoryWarning
{
    // Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];
    
    // Release any cached data, images, etc that aren't in use.
}

#pragma mark - View lifecycle

- (void)viewDidLoad
{
    [super viewDidLoad];

    if (refreshHeaderView == nil) {
		refreshHeaderView = [[EGORefreshTableHeaderView alloc] initWithFrame:CGRectMake(0.0f, 0.0f - self.tableView.bounds.size.height, self.tableView.bounds.size.width, self.tableView.bounds.size.height)];
		refreshHeaderView.backgroundColor = [UIColor colorWithRed:226.0/255.0 green:231.0/255.0 blue:237.0/255.0 alpha:1.0];
		[self.tableView addSubview:refreshHeaderView];
		self.tableView.showsVerticalScrollIndicator = YES;
		[refreshHeaderView release];
	}
    if (refreshFooterView == nil) {
        float y = [self.tableView frame].size.height;
        if( y < [self tableViewHeight] )
            y = [self tableViewHeight];
        refreshFooterView = [[EGORefreshTableFooterView alloc] initWithFrame:CGRectMake(0.0f, y, self.tableView.bounds.size.width, self.tableView.bounds.size.height + 120.0f)];
		refreshFooterView.backgroundColor = [UIColor colorWithRed:226.0/255.0 green:231.0/255.0 blue:237.0/255.0 alpha:1.0];
		[self.tableView addSubview:refreshFooterView];
		self.tableView.showsVerticalScrollIndicator = YES;
		[refreshFooterView release];
    }
}

- (void)viewDidUnload
{
    [super viewDidUnload];
    refreshFooterView = nil;
    refreshHeaderView = nil;
    // Release any retained subviews of the main view.
    // e.g. self.myOutlet = nil;
}

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
}

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
}

- (void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
}

- (void)viewDidDisappear:(BOOL)animated
{
    [super viewDidDisappear:animated];
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    // Return YES for supported orientations
    return (interfaceOrientation == UIInterfaceOrientationPortrait);
}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    // Return the number of sections.
    return 0;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    // Return the number of rows in the section.
    return 0;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *CellIdentifier = @"Cell";
    
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
    }
    
    // Configure the cell...
    
    return cell;
}

/*
// Override to support conditional editing of the table view.
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
    // Return NO if you do not want the specified item to be editable.
    return YES;
}
*/

/*
// Override to support editing the table view.
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
    if (editingStyle == UITableViewCellEditingStyleDelete) {
        // Delete the row from the data source
        [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
    }   
    else if (editingStyle == UITableViewCellEditingStyleInsert) {
        // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view
    }   
}
*/

/*
// Override to support rearranging the table view.
- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath
{
}
*/

/*
// Override to support conditional rearranging of the table view.
- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath
{
    // Return NO if you do not want the item to be re-orderable.
    return YES;
}
*/

#pragma mark - Table view delegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    // Navigation logic may go here. Create and push another view controller.
    /*
     <#DetailViewController#> *detailViewController = [[<#DetailViewController#> alloc] initWithNibName:@"<#Nib name#>" bundle:nil];
     // ...
     // Pass the selected object to the new view controller.
     [self.navigationController pushViewController:detailViewController animated:YES];
     [detailViewController release];
     */
}


@end
